ASTUTES On The Cusp - Both of the Royal Navy’s new Fleet Submarines in service, the ASTUTE and AMBUSH will deploy on front line operations within the next twelve months.   After years of trials and testing the ASTUTE will be ready for action before the end of the year, followed by the AMBUSH early in 2014 according the Fleet Commander Vice Admiral Philip Jones.    ASTUTE will complete “hot weather trials” and operational sea training and will then be available to deploy.